AustinBurnet Rd. and Justin Ln.According to one "Carl Brewer", it was here in the early 1970s and closed later.
Hancock CenterUnconfirmed but said to be in the late 1970s.
2700 S. Lamar BoulevardNow Kerbey Lane Café
Baytown1200 Market StreetNow Word of Faith Fellowship
Beaumont545 S. 11th StreetNow $25 Optical
BrownsvilleBoca Chica BoulevardLittle is known about this one.
Bryan2301 Texas Avenue S.Later part of a car dealership but no longer. Building still exists.
Corpus ChristiSouth Padre Island Drive & Weber RoadNow Taqueria Jalisco?
El Paso6175 AlamedaAddress from TBC but Google Maps shows nothing there.
8320 Dyer StreetCheaply remodeled into a Chinese restaurant, but "Chinese Palace Restaurant" is now closed. The original Burger Chef opened in 1965.
9571 Dyer StreetAppears to be torn down at some point in the past and replaced with a Long John Silvers
1235 McRaeClosed in 1977 and later Chico's Tacos; now T.I.S. Service & Support Center.
2112 N. MesaUnconfirmed but there's a 7-Eleven there that looks it's been there for a while
6315 N. MesaNow Pop's Cantina
3711 Montana AvenueUnconfirmed, now a strip center that also looks like it's been there for a while
6100 Montana AvenueSee above
6621 Montana AvenueLooks like it's now the home of Ace Body Shop
Fort Worth 3050 South University DriveRetains roof shape
Galveston1200 Seawall BlvdNow Benno's, a seafood restaurant.
Houston3818 Reveille St.Abandoned, sign intact until relatively recently. Apparently closed after a fire.
2728 RicheyNow Los Primos Game Room (and/or a strip club). Address as being 2721 is wrong.
La Marque925 Texas Ave.Now Fish Place, sign still intact
Waco4300 W Waco Dr # CMentioned as having been Grandy's later, demolished in 2005 for building with Five Guys and others.

Much of this came from information from Arch-ive.org and the less-verifiable The Bawdy Cloister. TBC I've stopped using because the information ranges from ambiguous at best to wrong at worst, henceforth, until I can other independent sources, no more updates.