Inventor

BOYD DONALD

US4 patents

⚠️ This page may combine multiple inventors who share the name “BOYD DONALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHAFFER MFG CORP

2 patents

US6238165B1May 29, 2001

Trough lifting mechanism

SHAFFER MFG CORP24 citations89

US6663336B2Dec 16, 2003

Trough lifting mechanism

SHAFFER MFG CORP9 citations70

(unassigned)

1 patent

US6676146B2Jan 13, 2004

Wheeled device for pedal-powered riding

8 citations67

VALEO SYSTEMES THERMIQUES

1 patent

US12526965B2Jan 13, 2026

Heat exchanger assembly

VALEO SYSTEMES THERMIQUES0 citations41