Customer Service Patents (Class 186/35)
- With machine readable means (Class 186/39)
- In a transport vehicle (Class 186/40)
- Drive-in (Class 186/41)
- Dining table structure movable in fixed path (Class 186/42)
- With conveyor cleaner (Class 186/43)
- Menu make-up table (Class 186/44)
- Wheeled carrier (Class 186/45)
- With conveyor (e.g., belt type) (Class 186/49)
- With elevator (Class 186/51)
- Drive-in (Class 186/53)
- With cooling room having transparent access door (Class 186/54)
- With remote item dispensing (Class 186/55)
- Relatively movable selection station and merchandise shelving (Class 186/57)
- With order carrier movable on track means (Class 186/58)
- Checkout counter (Class 186/59)
- With power driven conveyor (Class 186/69)
- Gravity systems (Class 186/2)
- Self-propelled car systems (Class 186/7)
- Single-impulse systems (Class 186/8)
- Cable-propulsion systems (Class 186/14)
- Switches (Class 186/19)
- Elevators and drops (Class 186/22)
- Buffers (Class 186/24)
- Carriers (Class 186/26)
- Details (Class 186/33)