Inventor

HENDERSON DAVID L

US26 patents

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

HENDERSON DAVID L

RHEEM MFG CO

Field conversion electric water heater

Water heater heat trap apparatus

Diagnostic system for a fuel-fired water heater

Water heater bottom pad/foam dam apparatus with integrated tank support members

Water heater apparatus and associated manufacturing and insulation methods

Electric water heater with simplified phase conversion apparatus

Water heater electrical enclosure insert/foam dam

Water heater electrical enclosure insert/foam dam

Water heater electrical enclosure insert/foam dam

Electric water heater with simplified phase conversion apparatus

NCR CO

Logical drawing and transparency circuits for bit mapped video display controllers

Digitally compensated multiplying digital to analog converter

Digitally compensated multiplying digital to analog converter

EMERSON ELECTRIC CO

Method of manufacturing a corrosion resistant rotor assembly

Method of manufacturing a corrosion resistant rotor assembly

Method and apparatus for liquid adhesive application

(unassigned)

Plunge router adjustment mechanism and method

Apparatus and method for mounting routers in tables

SPECTRAL LOGIC DESIGN

Apparatus and method for direct digital frequency synthesis

Apparatus and method for compact Haar transform

HENDERSON DAVID L

Bit or tool extension and method of making same

Image quality assessment including comparison of overlapped margins

TEXAS INSTRUMENTS INC

Method of making high coupling ratio DMOS electrically programmable ROM

SAINT GOBAIN PERFORMANCE PLAST

Reciprocating pump

ZIH CORP

Label printer with a peel bar, a separator bar and anti-buckle means

MCFARLIN JR ROBERT E

Router or cutter bit chuck or extension